A can do a work in 12 days, B can do it in 20 days and C in 15 days. If they work together the number of days needed to complete the work is:
A10
B3
C6
D5
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Related Questions:
A cistern can be filled by a tap in 6 hours and emptied by an outlet pipe in 7.5 hours. How long will it take to fill the cistern if both the tap and the pipe are opened together?
A can do a piece of work in 12 days. B can do it in 18 days. With the assistance of C,
they completed the work in 4 days. C alone can do it in ______________days.
32 ആളുകൾക്ക് ഒരു ജോലി പൂർത്തിയാക്കുവാൻ 15 ദിവസം വേണമെങ്കിൽ 10 ദിവസം കൊണ്ട്
ആ ജോലി പൂർത്തീകരിക്കുവാൻ എത്ര ആളുകൾ വേണം ?
108 കി.മി./മണിക്കൂർ വേഗത ______________ നു സമാനമാണ്
5 men and 8 women can complete a task in 34 days, whereas 4 men and 18 women can complete the same task in 28 days. In how many days can the same task be completed by 3 men and 5 women?